PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-18:27:50
G01     54.8           28.4               10.0 +/-    0.73      18.2 +/-    0.73  0.040 / 0.060
G06     178.0          20.9               -9.4 +/-   45.24     -20.3 +/-   45.24  0.050 / 0.070
G07     144.5          17.7               14.0 +/-    1.37      32.6 +/-    1.37  0.100 / 0.230
G11     46.3           19.8                9.9 +/-    1.12      22.0 +/-    1.12  0.090 / 0.210
G13     256.3          33.1               12.3 +/-    1.55      20.3 +/-    1.55  0.090 / 0.330
G15     290.0          15.9               10.8 +/-    2.20      26.2 +/-    2.20  0.080 / 0.360
G17     276.8          77.3               14.2 +/-    0.81      14.5 +/-    0.81  0.040 / 0.040
G19     238.2          53.3               15.2 +/-    1.12      18.5 +/-    1.12  0.030 / 0.040
G28     44.4           54.9               11.8 +/-    0.71      14.1 +/-    0.71  0.030 / 0.050
G30     147.0          46.7               14.7 +/-    0.89      19.3 +/-    0.89  0.040 / 0.050